1 // Copyright 2009 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package net 6 7 import ( 8 "bufio" 9 "os" 10 "runtime" 11 "testing" 12 ) 13 14 func TestReadLine(t *testing.T) { 15 // /etc/services file does not exist on android, plan9, windows. 16 switch runtime.GOOS { 17 case "android", "plan9", "windows": 18 t.Skipf("not supported on %s", runtime.GOOS) 19 } 20 filename := "/etc/services" // a nice big file 21 22 fd, err := os.Open(filename) 23 if err != nil { 24 t.Fatal(err) 25 } 26 defer fd.Close() 27 br := bufio.NewReader(fd) 28 29 file, err := open(filename) 30 if file == nil { 31 t.Fatal(err) 32 } 33 defer file.close() 34 35 lineno := 1 36 byteno := 0 37 for { 38 bline, berr := br.ReadString('\n') 39 if n := len(bline); n > 0 { 40 bline = bline[0 : n-1] 41 } 42 line, ok := file.readLine() 43 if (berr != nil) != !ok || bline != line { 44 t.Fatalf("%s:%d (#%d)\nbufio => %q, %v\nnet => %q, %v", filename, lineno, byteno, bline, berr, line, ok) 45 } 46 if !ok { 47 break 48 } 49 lineno++ 50 byteno += len(line) + 1 51 } 52 } 53 54 func TestGoDebugString(t *testing.T) { 55 defer os.Setenv("GODEBUG", os.Getenv("GODEBUG")) 56 tests := []struct { 57 godebug string 58 key string 59 want string 60 }{ 61 {"", "foo", ""}, 62 {"foo=", "foo", ""}, 63 {"foo=bar", "foo", "bar"}, 64 {"foo=bar,", "foo", "bar"}, 65 {"foo,foo=bar,", "foo", "bar"}, 66 {"foo1=bar,foo=bar,", "foo", "bar"}, 67 {"foo=bar,foo=bar,", "foo", "bar"}, 68 {"foo=", "foo", ""}, 69 {"foo", "foo", ""}, 70 {",foo", "foo", ""}, 71 {"foo=bar,baz", "loooooooong", ""}, 72 } 73 for _, tt := range tests { 74 os.Setenv("GODEBUG", tt.godebug) 75 if got := goDebugString(tt.key); got != tt.want { 76 t.Errorf("for %q, goDebugString(%q) = %q; want %q", tt.godebug, tt.key, got, tt.want) 77 } 78 } 79 } 80
